Four dead in UK terror attack – Police

File: Members of the emergency services during a recent incident in London.

Three people were killed, including a police officer, in a suspected terrorist attack outside the British parliament, by an attacker who was shot dead by armed police, Britain’s top anti-terror officer said Wednesday.

Mark Rowley said the two other victims died on Westminster Bridge after the attacker mowed down pedestrians in a car, leaving at least 20 people injured.